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7783 (1994 JD)
Classification: Inner Main-belt Asteroid          SPK-ID: 2007783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0775250237557146 3.5876e-08  
a 1.934150389377373 5.4548e-09 au
q 1.784205334493767 6.9161e-08 au
i 23.54051186648307 4.008e-06 deg
node 96.20786771252988 1.0756e-05 deg
peri 15.22505181766573 3.1646e-05 deg
M 66.94383647578988 3.0149e-05 deg
tp 2459017.798596729145
(2020-Jun-17.29859673)
8.2002e-05 TDB
period 982.5027760590685
2.69
4.1564e-06
1.138e-08
d
yr
n .3664111784436899 1.5501e-09 deg/d
Q 2.084095444260978 5.8777e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1849  
   data-arc span      12736 days (34.87 yr)  
   first obs. used      1986-05-09  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 23:37:28  

Additional Information
 Earth MOID = .804206 au 
 Jupiter MOID = 3.08049 au 
 T_jup = 3.805 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.32   n/a MPCxxxxx  
diameter diameter 2.227 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.83 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.816   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7783 (1994 JD)          Discovered 1994-May-04 by Spahr, T. B. at Catalina Station
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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